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Rephasing Groove
Hydraulic oil moves from one cylinder to the next
through and indentation in the cylinder wall known
as a 'rephasing groove'. When the cylinder is fully
extended this groove creates a bypass over the
piston main seal, allowing oil to flow to the next
cylinder in the set. Since these grooves are quite
small it will often take a number of minutes for oil to
completely circulate through the set of cylinders.
On initial startup of a phasing cylinder system it may
take a number of minutes to force oil through the
system and purge out any air in the hydraulic lines.
During normal operation small amounts of oil may
leak past piston seals causing cylinders to fall out of
synchronization. Synchronization can be restored
by fully extending cylinders and holding the circuit
open for period of time.
DRIVELINE SHIELD
IMPORTANT: OSHA, ASABE, and SAE standards
require that all rotating shafts be guarded against
contact. The unchained plastic shields can rotate
with the driveline but must stop when they contact
another object.
The shields must be regularly greased and
checked that they rotate freely on the driveline.
Refer to the Lubrication section for greasing
intervals.
IMPORTANT: Scan this QR Code with your smart phone to link to the ADMA
Driveline Safety Manual for more information on the safe use of a driveline during
normal operation and maintenance. Or type in your internet browser the following
web address: www.algqr.com/dme
FX-315/FX-310 03/21
© 2021 Alamo Group Inc.
ASSEMBLY
Ops-0009-MISC
Assembly Section 3-5
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